1352052405 has 40 divisors (see below), whose sum is σ = 2644022304. Its totient is φ = 655538400.

The previous prime is 1352052389. The next prime is 1352052421. The reversal of 1352052405 is 5042502531.

It is a happy number.

1352052405 is a `hidden beast` number, since 135 + 2 + 0 + 524 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1352052389) and next prime (1352052421).

It is not a de Polignac number, because 1352052405 - 2⁴ = 1352052389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 147291 + ... + 156200.

Almost surely, 2^1352052405 is an apocalyptic number.

1352052405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1352052405 is a deficient number, since it is larger than the sum of its proper divisors (1291969899).

1352052405 is a wasteful number, since it uses less digits than its factorization.

1352052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303519 (or 303510 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1352052405 is about 36770.2652288503. The cubic root of 1352052405 is about 1105.7692493088.

Adding to 1352052405 its reverse (5042502531), we get a palindrome (6394554936).

The spelling of 1352052405 in words is "one billion, three hundred fifty-two million, fifty-two thousand, four hundred five".